NASA’s Expedition 73: Astronauts Study Brain, Balance, and Immunity on ISS

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4 days ago

August 24, 2025

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Astronauts aboard the International Space Station are conducting key health experiments as part of Expedition 73, focusing on how the brain and immune system adapt to microgravity. Crew members exercise to counter muscle and bone loss, complete cognitive tests, and practice emergency medical drills. Using virtual-reality equipment, they study balance in weightlessness…

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New Analysis of 1977 Wow! Signal Reveals Stronger Cosmic Mystery

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6 hours ago

August 27, 2025

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The famous 1977 “Wow!” signal — a mysterious radio burst detected by Ohio’s Big Ear telescope — has been reanalyzed using modern computing techniques. Researchers digitized old telescope records, finding the signal was about four times stronger than first thought, peaking at 250 Janskys. The recalculations also refined its frequency and sky location, ruling …

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Astronomers Capture Sharpest-Ever Solar Flare Images with NSF’s DKIST Telescope

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6 hours ago

August 27, 2025

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Astronomers have achieved a major breakthrough by capturing the sharpest images of a solar flare ever recorded, using the National Science Foundation’s Daniel K. Inouye Solar Telescope (DKIST). Observed at the hydrogen-alpha wavelength during the decay of an X1.3-class solar flare, the images unveiled hundreds of ultra-fine coronal loops averaging just 48 kilometers…

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James Webb Detects Carbon Dioxide–Dominated Coma in Interstellar Object 3I/ATLAS

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7 hours ago

August 27, 2025

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The James Webb Space Telescope observed 3I/ATLAS, the third interstellar object detected in our solar system. Its coma is unusually rich in carbon dioxide with little water or carbon monoxide, suggesting a CO₂-rich core or an insulating crust. Findings raise new questions about its cosmic origin.